Finding the Fourth Proportional to 919,620.88, 1,269,076.68 and 511,748.96
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Solution
The fourth proportional to 919,620.88, 1,269,076.68 and 511,748.96 is: 706,213.49
Step by Step Solution
- Step 1: Write the proportion equation
919,620.88 : 1,269,076.68 = 511,748.96 : x - Step 2: Convert to fraction form
919,620.88/1,269,076.68 = 511,748.96/x - Step 3: Cross multiply
919,620.88x = 1,269,076.68 × 511,748.96 - Step 4: Simplify right side
919,620.88x = 649,448,671,150.25 - Step 5: Solve for x
x = 649,448,671,150.25/919,620.88 - Step 6: Final answer
x = 706,213.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.